>> {"jsonrpc":"2.0","id":1,"method":"eth_feeHistory","params":["0x1","0x2",[95,99]]}
<< {"jsonrpc":"2.0","id":1,"result":{"oldestBlock":"0x2","reward":[["0x0","0x0"]],"baseFeePerGas":["0x2da282a8","0x27ee3253"],"gasUsedRatio":[0]}}
